BR9405949A - Process and device for supervising the operation of a catalytic converter - Google Patents

Process and device for supervising the operation of a catalytic converter

Info

Publication number: BR9405949A
Authority: BR; Brazil
Prior art keywords: supervising; catalytic converter; catalytic; converter
Prior art date: 1993-03-18

Application number

BR9405949A

Other languages

Portuguese (pt)

Inventor

Wolfgang Maus

Helmut Swars

Rolf Brueck

Original Assignee

Emitec Emissionstechnologie

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1993-03-18

Filing date

1994-02-18

Publication date

1995-12-19

1994-02-18 Application filed by Emitec Emissionstechnologie filed Critical Emitec Emissionstechnologie

1995-12-19 Publication of BR9405949A publication Critical patent/BR9405949A/en

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus
- F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N9/00—Electrical control of exhaust gas treating apparatus
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
- F01N2550/02—Catalytic activity of catalytic converters
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Exhaust Gas After Treatment (AREA)

BR9405949A 1993-03-18 1994-02-18 Process and device for supervising the operation of a catalytic converter BR9405949A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE4308661A DE4308661A1 (en)	1993-03-18	1993-03-18	Method and device for monitoring the function of a catalytic converter
PCT/EP1994/000477 WO1994021902A1 (en)	1993-03-18	1994-02-18	Process and device for monitoring the operation of a catalytic converter

Publications (1)

Publication Number	Publication Date
BR9405949A true BR9405949A (en)	1995-12-19

Family

ID=6483148

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9405949A BR9405949A (en)	1993-03-18	1994-02-18	Process and device for supervising the operation of a catalytic converter

Country Status (10)

Country	Link
US (1)	US5560200A (en)
EP (1)	EP0689641B1 (en)
JP (1)	JP2620654B2 (en)
KR (1)	KR0171449B1 (en)
CN (1)	CN1065019C (en)
BR (1)	BR9405949A (en)
DE (2)	DE4308661A1 (en)
ES (1)	ES2104360T3 (en)
RU (1)	RU2113603C1 (en)
WO (1)	WO1994021902A1 (en)

Families Citing this family (39)

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DE4435196C1 (en) *	1994-09-30	1995-10-12	Siemens Ag	Burner system efficiency checking method for vehicle exhaust catalytic converter warm=up
JP3456058B2 (en) *	1995-02-10	2003-10-14	株式会社デンソー	Catalyst deterioration detection device and exhaust gas purification device abnormality detection device
DE19506012C2 (en) *	1995-02-17	1998-12-10	Siemens Ag	Device for adapting methods for checking the catalyst efficiency to catalysts for internal combustion engines with two lambda sensors
JP3132005B2 (en) *	1995-05-18	2001-02-05	トヨタ自動車株式会社	Endurance test method for exhaust gas purification equipment
SE505235C2 (en) *	1995-06-07	1997-07-21	Volvo Ab	Method and apparatus for determining the oxygen buffer capacity of a catalytic exhaust cleaner
JP3239698B2 (en) *	1995-07-25	2001-12-17	トヨタ自動車株式会社	Catalyst deterioration determination device for internal combustion engine
JP3239699B2 (en)	1995-07-26	2001-12-17	トヨタ自動車株式会社	Catalyst deterioration determination device for internal combustion engine
CN1198798A (en) *	1995-09-29	1998-11-11	西门子公司	Method and device for converting harmful substances in exhaust gas on catalyst
SE505910C2 (en) *	1995-10-25	1997-10-20	Forskarpatent I Linkoeping Ab	Catalyst test in an internal combustion engine exhaust system
US6242263B1 (en)	1996-12-20	2001-06-05	Corning Incorporated	Automotive hydrocarbon sensor
US6037183A (en) *	1996-12-20	2000-03-14	Corning Incorporated	Automotive hydrocarbon sensor system
US5822979A (en) *	1997-02-24	1998-10-20	Ford Global Technologies, Inc.	Catalyst monitoring using a hydrocarbon sensor
DE59813561D1 (en)	1997-04-09	2006-06-29	Emitec Emissionstechnologie	Arrangement for monitoring a NOx storage
DE19714715A1 (en) *	1997-04-09	1998-10-15	Emitec Emissionstechnologie	Nitrous-oxide-accumulator monitoring system in exhaust-pipe
DE19726791A1 (en) *	1997-06-24	1999-01-07	Volkswagen Ag	Method for monitoring the conversion rate of an exhaust gas catalytic converter for an internal combustion engine
US6344173B1 (en)	1998-12-07	2002-02-05	Corning Incorporated	Automotive hydrocarbon sensor
DE19929292A1 (en) *	1999-06-25	2000-12-28	Volkswagen Ag	Method for controlling an operating mode of an internal combustion engine
DE19963932A1 (en) *	1999-12-31	2001-07-12	Bosch Gmbh Robert	Method for operating an internal combustion engine, in particular a motor vehicle
DE19963901A1 (en) *	1999-12-31	2001-07-12	Bosch Gmbh Robert	Method for operating a catalyst of an internal combustion engine
DE10013893A1 (en) *	2000-03-21	2001-09-27	Dmc2 Degussa Metals Catalysts	Method for checking the functionality of an exhaust gas purification catalytic converter
CA2453820A1 (en) *	2001-07-16	2003-01-30	Sensor Tech, Inc.	Sensor device and method for qualitative and quantitative analysis of gas phase substances
US6730918B2 (en) *	2001-12-20	2004-05-04	General Electric Company	Apparatus for determining past-service conditions and remaining life of thermal barrier coatings and components having such coatings
DE10228659A1 (en) *	2002-06-27	2004-01-22	Daimlerchrysler Ag	Method for monitoring an exhaust system of a motor vehicle
WO2004013474A1 (en) *	2002-07-31	2004-02-12	Volkswagen Aktiengesellschaft	Method for the applied adaptation of the control of a motor and control of a motor that is obtained according to said method
DE10316606A1 (en) *	2003-04-11	2004-11-18	Bayerische Motoren Werke Ag	Fault detection system for detecting a faulty temperature sensor in motor vehicles
DE102004030199A1 (en) *	2004-06-22	2006-01-19	Adam Opel Ag	Estimation of the temperature of a catalyst and applications for it
FR2886347B1 (en) *	2005-05-31	2007-07-13	Renault Sas	METHOD AND DEVICE FOR DETECTING THE PRESENCE OF A SYSTEM FOR TREATING GASEOUS EFFLUENTS IN AN EXHAUST LINE OF AN INTERNAL COMBUSTION ENGINE.
JP4395120B2 (en) *	2005-10-19	2010-01-06	トヨタ自動車株式会社	Exhaust gas purification device for internal combustion engine
US8112988B2 (en) *	2006-03-16	2012-02-14	Ford Global Technologies, Llc	System and method for desulfating a NOx trap
DE102006016906A1 (en) *	2006-04-11	2007-10-25	Daimlerchrysler Ag	Device for monitoring an exhaust gas catalyst in the exhaust system of an internal combustion engine
DE102009021991A1 (en) *	2009-05-19	2010-11-25	Volkswagen Ag	Method for determining light-off temperature and/or light-off performance in exhaust gas flow of internal combustion engine utilized in motor vehicle, involves calculating gradients of difference between model and measuring temperatures
US8353202B2 (en) *	2010-08-12	2013-01-15	GM Global Technology Operations LLC	Exhaust diagnostic systems and methods with SCR conversion efficiency monitor disabling
RU2532074C2 (en) *	2012-12-07	2014-10-27	Михаил Игоревич Колпаков	Method to assess serviceability of catalytic neutraliser of spent gases of internal combustion engine with forced ignition
US9528423B2 (en) *	2013-10-15	2016-12-27	Johnson Matthey Public Limited Company	On-board diagnostics system for catalyzed substrate
EP2884066B1 (en) *	2013-12-11	2017-01-11	Hirtenberger Aktiengesellschaft	Method for diagnosing an object and a device for carrying out the said method
US9366171B2 (en) *	2014-01-13	2016-06-14	GM Global Technology Operations LLC	Method for determining an estimated amount of soot accumulated in a particulate filter of an exhaust gas after-treatment system
US10287958B2 (en) *	2016-12-20	2019-05-14	Denso International America, Inc.	Substrate and filter with stress/strain detection and method of use
JP6780763B2 (en) *	2018-12-25	2020-11-04	トヨタ自動車株式会社	Internal combustion engine control device
US11624333B2 (en)	2021-04-20	2023-04-11	Kohler Co.	Exhaust safety system for an engine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4828492U (en) *	1971-08-09	1973-04-07
BE788422A (en) *	1971-09-10	1973-01-02	Snam Progetti	AUTOMATIC CONTROL DEVICE FOR CATALYTIC POTS
US3957444A (en) *	1972-05-16	1976-05-18	Toyota Jidosha Kogyo Kabushiki Kaisha	Control system for exhaust gas purifying device
DE2643739C2 (en) *	1976-09-29	1986-03-13	Robert Bosch Gmbh, 7000 Stuttgart	Method for monitoring the activity of catalytic converters for exhaust gas purification
JPS59188020A (en) *	1983-03-17	1984-10-25	Mazda Motor Corp	Device for preventing catalyst from being overheated in engine
DE3516981A1 (en) *	1985-05-10	1986-11-13	Audi AG, 8070 Ingolstadt	Method for checking the functionality of an exhaust gas catalyst
JPH0460106A (en) *	1990-06-29	1992-02-26	Mazda Motor Corp	Control device of engine
DE4027207A1 (en) *	1990-08-28	1992-03-05	Emitec Emissionstechnologie	MONITORING THE CATALYTIC ACTIVITY OF A CATALYST IN THE EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE
KR100196616B1 (en) *	1990-08-28	1999-06-15	베. 마우스; 베. 디트리히	Monitoring of the catalytic activity of a catalyst in the exhaust gas systm of an internal combustion engine
US5419122A (en) *	1993-10-04	1995-05-30	Ford Motor Company	Detection of catalytic converter operability by light-off time determination

1993
- 1993-03-18 DE DE4308661A patent/DE4308661A1/en not_active Withdrawn
1994
- 1994-02-18 EP EP94909003A patent/EP0689641B1/en not_active Expired - Lifetime
- 1994-02-18 DE DE59402923T patent/DE59402923D1/en not_active Expired - Lifetime
- 1994-02-18 JP JP6520558A patent/JP2620654B2/en not_active Expired - Fee Related
- 1994-02-18 ES ES94909003T patent/ES2104360T3/en not_active Expired - Lifetime
- 1994-02-18 WO PCT/EP1994/000477 patent/WO1994021902A1/en not_active Ceased
- 1994-02-18 BR BR9405949A patent/BR9405949A/en not_active IP Right Cessation
- 1994-02-18 RU RU95117997A patent/RU2113603C1/en not_active IP Right Cessation
- 1994-02-18 CN CN941914933A patent/CN1065019C/en not_active Expired - Fee Related
- 1994-02-18 KR KR1019950703911A patent/KR0171449B1/en not_active Expired - Lifetime
1995
- 1995-06-07 US US08/484,522 patent/US5560200A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CN1119464A (en)	1996-03-27
CN1065019C (en)	2001-04-25
WO1994021902A1 (en)	1994-09-29
DE59402923D1 (en)	1997-07-03
RU2113603C1 (en)	1998-06-20
EP0689641A1 (en)	1996-01-03
JP2620654B2 (en)	1997-06-18
US5560200A (en)	1996-10-01
DE4308661A1 (en)	1994-09-22
EP0689641B1 (en)	1997-05-28
KR960701285A (en)	1996-02-24
KR0171449B1 (en)	1999-03-20
ES2104360T3 (en)	1997-10-01
JPH08506161A (en)	1996-07-02

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Legal Events

Date	Code	Title	Description
1999-10-26	FB36	Technical and formal requirements: requirement - article 36 of industrial property law
2000-03-21	FF	Decision: intention to grant
2000-09-19	FG9A	Patent or certificate of addition granted
2010-08-17	B24C	Patent annual fee: request for for restoration	Free format text: REFERENTE A 16A ANUI DADE.
2014-08-26	B24H	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
2020-12-08	B24F	Patent annual fee: publication cancelled	Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2277 DE 26/08/2014 POR TER SIDO INDEVIDA.
2020-12-22	B21F	Lapse acc. art. 78, item iv - on non-payment of the annual fees in time	Free format text: REFERENTE A 16A ANUIDADE.
2021-04-13	B24J	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)	Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2607 DE 22-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.